Mahabharata 5.104.18

क्षत्रभावादपगतो ब्राह्मणत्वमुपागतःधर्मस्य वचनात्प्रीतो विश्वामित्रस्तदाभवत्

kṣatrabhāvādapagato brāhmaṇatvamupāgataḥdharmasya vacanātprīto viśvāmitrastadābhavat

Our plain-language meaning of this verse is waiting for scholar review.